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Registro Completo |
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Biblioteca(s): |
Embrapa Clima Temperado; Embrapa Mandioca e Fruticultura; Embrapa Meio Norte / UEP-Parnaíba; Embrapa Pantanal; Embrapa Semiárido. |
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Data corrente: |
27/09/1993 |
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Data da última atualização: |
21/05/1998 |
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Autoria: |
SOUZA, L. da S. |
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Afiliação: |
EMBRAPA-CNPMF. |
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Título: |
Caracterizacao fisica e fator erodibilidade em solo da unidade de mapeamento Sao Jeronimo (PALEUDULT), em diferentes sistemas de manejo |
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Ano de publicação: |
1976 |
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Fonte/Imprenta: |
Porto Alegre: UFRGS, 1987 |
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Páginas: |
113p. |
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Série: |
Tese de Mestrado |
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Idioma: |
Português |
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Conteúdo: |
Foi realizada uma caracterizacao fisica em solo da unidade de mapeamento Sao Jeronimo (PALEUDULT), em tres areas sob diferentes sistemas de manejo: campo nativo, pastagem cultivada em sistema de cultivo minimo e culturas anuais em sistema de cultivo convencional. As areas cultivadas apresentaram maiores teores de materia organica, amior faixa de plasticidade e maior infiltracao de agua no solo do que a area virgem. Com excecao da primeira camada da area de culturas anuais, as demais camadas de todas as areas estudadas apresentaram baixa porosidade total e alta resistencia do solo a penetracao. Na area de culturas anuais constatou-se uma camada subsuperficial compactada, evidenciada pelo aumento da densidade do solo, microporosidade e resistencia do solo a penetracao e pela reducao da porosidade total e macroporosidade, sem, contudo, afetar a infiltracao de agua. O fator erodibilidade do solo variou de 0,15 a 0,24. |
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Palavras-Chave: |
Brasil; Caracteristica fisica; Caracterizacao fisica; Cultivo; Densidade; Erosion; Fertility; Growth; Infiltration; Management; Microorganismo; Physical characterization; Plant; Plasticidade; Plasticity; Production; Productivity; Rio Grande do Sul; Sao Jeronimo; Sistema. |
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Thesagro: |
Agronomia; Água; Crescimento; Erosão; Fertilidade; Física do Solo; Infiltração; Manejo; Matéria Orgânica; Planta; Porosidade; Produção; Produtividade; Solo. |
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Thesaurus Nal: |
agronomy; density; erodibility; organic matter; physical properties; porosity; soil; water. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02507nam a2200637 a 4500
001 1651124
005 1998-05-21
008 1976 bl uuuu m 00u1 u #d
100 1 $aSOUZA, L. da S.
245 $aCaracterizacao fisica e fator erodibilidade em solo da unidade de mapeamento Sao Jeronimo (PALEUDULT), em diferentes sistemas de manejo
260 $aPorto Alegre: UFRGS$c1987
300 $a113p.
490 $aTese de Mestrado
520 $aFoi realizada uma caracterizacao fisica em solo da unidade de mapeamento Sao Jeronimo (PALEUDULT), em tres areas sob diferentes sistemas de manejo: campo nativo, pastagem cultivada em sistema de cultivo minimo e culturas anuais em sistema de cultivo convencional. As areas cultivadas apresentaram maiores teores de materia organica, amior faixa de plasticidade e maior infiltracao de agua no solo do que a area virgem. Com excecao da primeira camada da area de culturas anuais, as demais camadas de todas as areas estudadas apresentaram baixa porosidade total e alta resistencia do solo a penetracao. Na area de culturas anuais constatou-se uma camada subsuperficial compactada, evidenciada pelo aumento da densidade do solo, microporosidade e resistencia do solo a penetracao e pela reducao da porosidade total e macroporosidade, sem, contudo, afetar a infiltracao de agua. O fator erodibilidade do solo variou de 0,15 a 0,24.
650 $aagronomy
650 $adensity
650 $aerodibility
650 $aorganic matter
650 $aphysical properties
650 $aporosity
650 $asoil
650 $awater
650 $aAgronomia
650 $aÁgua
650 $aCrescimento
650 $aErosão
650 $aFertilidade
650 $aFísica do Solo
650 $aInfiltração
650 $aManejo
650 $aMatéria Orgânica
650 $aPlanta
650 $aPorosidade
650 $aProdução
650 $aProdutividade
650 $aSolo
653 $aBrasil
653 $aCaracteristica fisica
653 $aCaracterizacao fisica
653 $aCultivo
653 $aDensidade
653 $aErosion
653 $aFertility
653 $aGrowth
653 $aInfiltration
653 $aManagement
653 $aMicroorganismo
653 $aPhysical characterization
653 $aPlant
653 $aPlasticidade
653 $aPlasticity
653 $aProduction
653 $aProductivity
653 $aRio Grande do Sul
653 $aSao Jeronimo
653 $aSistema
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
05/03/2012 |
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Data da última atualização: |
19/01/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
WIEBKE-STROHM, B.; PASQUALI, G.; MARGIS-PINHEIRO, M.; BENCKE, M.; BÜCKER-NETO, L.; BECKER-RITT, A. B.; MARTINELLI, A. H. S.; RECHENMACHER, C.; POLACCO, J. C.; STOLF, R.; MARCELINO, F. C.; ABDELNOOR, R. V.; HOMRICH, M. S.; DEL PONTE, E. M.; CARLINI, C. R.; CARVALHO, M. C. C. G. de; BODANESE-ZANETTINI, M. H. |
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Afiliação: |
BEATRIZ WIEBKE-STROHM, UFRGS; GIANCARLO PASQUALI, UFRGS; MÁRCIA MARGIS-PINHEIRO, UFRGS; MARTA BENCKE, UFRGS; LAURO BÜCKER NETO, UFRGS; ARLETE B. BECKER-RITT, UFRGS; ANNE H. S. MARTINELLI, UFRGS; CILIANA RECHENMACHER, UFRGS; JOSEPH C. POLACCO, University of Missouri; RENATA STOLF, CNPSo; FRANCISMAR CORREA MARCELINO, CNPSO; RICARDO VILELA ABDELNOOR, CNPSO; MILENA S. HOMRICH, UFRGS; EMERSON M. DEL PONTE, UFRGS; CELIA R. CARLINI, UFRGS; MAYRA C. C. G. DE CARVALHO, CNPSo; MARIA HELENA BODANESE-ZANETTINI, UFRGS. |
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Título: |
Ubiquitous urease affects soybean susceptibility to fungi. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Plant Molecular Biology, The Hague, v. 79, n. 1/2, p. 75-87, May 2012. |
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DOI: |
DOI 10.1007/s11103-012-9894-1 |
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Idioma: |
Inglês |
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Conteúdo: |
The soybean ubiquitous urease (encoded by GmEu4) is responsible for recycling metabolically derived urea. Additional biological roles have been demonstrated for plant ureases, notably in toxicity to other organisms. However, urease enzymatic activity is not related to its toxicity. The role of GmEu4 in soybean susceptibility to fungi was investigated in this study. A differential expression pattern of GmEu4 was observed in susceptible and resistant genotypes of soybeans over the course of a Phakopsora pachyrhizi infection, especially 24 h after infection. Twenty-nine adult, transgenic soybean plants, representing six independently transformed lines, were obtained. Although the initial aim of this study was to overexpress GmEu4, the transgenic plants exhibited GmEu4 co-suppression and decreased ureolytic activity. The growth of Rhizoctonia solani, Phomopsis sp., and Penicillium herguei in media containing a crude protein extract from either transgenic or non-transgenic leaves was evaluated. The fungal growth was higher in the protein extracts from transgenic urease-deprived plants than in extracts from nontransgenic controls. When infected by P. pachyrhizi uredospores, detached leaves of urease-deprived plants developed a significantly higher number of lesions, pustules and erupted pustules than leaves of non-transgenic plants containing normal levels of the enzyme. The results of the present work show that the soybean plants were more susceptible to fungi in the absence of urease. It was not possible to overexpress active GmEu4. For future work, overexpression of urease fungitoxic peptides could be attempted as an alternative approach. MenosThe soybean ubiquitous urease (encoded by GmEu4) is responsible for recycling metabolically derived urea. Additional biological roles have been demonstrated for plant ureases, notably in toxicity to other organisms. However, urease enzymatic activity is not related to its toxicity. The role of GmEu4 in soybean susceptibility to fungi was investigated in this study. A differential expression pattern of GmEu4 was observed in susceptible and resistant genotypes of soybeans over the course of a Phakopsora pachyrhizi infection, especially 24 h after infection. Twenty-nine adult, transgenic soybean plants, representing six independently transformed lines, were obtained. Although the initial aim of this study was to overexpress GmEu4, the transgenic plants exhibited GmEu4 co-suppression and decreased ureolytic activity. The growth of Rhizoctonia solani, Phomopsis sp., and Penicillium herguei in media containing a crude protein extract from either transgenic or non-transgenic leaves was evaluated. The fungal growth was higher in the protein extracts from transgenic urease-deprived plants than in extracts from nontransgenic controls. When infected by P. pachyrhizi uredospores, detached leaves of urease-deprived plants developed a significantly higher number of lesions, pustules and erupted pustules than leaves of non-transgenic plants containing normal levels of the enzyme. The results of the present work show that the soybean plants were more susceptible to fungi in the absence of u... Mostrar Tudo |
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Palavras-Chave: |
Penicillium herguei; Transformação genética. |
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Thesagro: |
Fungo; Phomopsis; Queima da saia; Soja. |
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Thesaurus NAL: |
Genetic transformation; Soybeans. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02843naa a2200421 a 4500
001 1917463
005 2017-01-19
008 2012 bl uuuu u00u1 u #d
024 7 $aDOI 10.1007/s11103-012-9894-1$2DOI
100 1 $aWIEBKE-STROHM, B.
245 $aUbiquitous urease affects soybean susceptibility to fungi.
260 $c2012
520 $aThe soybean ubiquitous urease (encoded by GmEu4) is responsible for recycling metabolically derived urea. Additional biological roles have been demonstrated for plant ureases, notably in toxicity to other organisms. However, urease enzymatic activity is not related to its toxicity. The role of GmEu4 in soybean susceptibility to fungi was investigated in this study. A differential expression pattern of GmEu4 was observed in susceptible and resistant genotypes of soybeans over the course of a Phakopsora pachyrhizi infection, especially 24 h after infection. Twenty-nine adult, transgenic soybean plants, representing six independently transformed lines, were obtained. Although the initial aim of this study was to overexpress GmEu4, the transgenic plants exhibited GmEu4 co-suppression and decreased ureolytic activity. The growth of Rhizoctonia solani, Phomopsis sp., and Penicillium herguei in media containing a crude protein extract from either transgenic or non-transgenic leaves was evaluated. The fungal growth was higher in the protein extracts from transgenic urease-deprived plants than in extracts from nontransgenic controls. When infected by P. pachyrhizi uredospores, detached leaves of urease-deprived plants developed a significantly higher number of lesions, pustules and erupted pustules than leaves of non-transgenic plants containing normal levels of the enzyme. The results of the present work show that the soybean plants were more susceptible to fungi in the absence of urease. It was not possible to overexpress active GmEu4. For future work, overexpression of urease fungitoxic peptides could be attempted as an alternative approach.
650 $aGenetic transformation
650 $aSoybeans
650 $aFungo
650 $aPhomopsis
650 $aQueima da saia
650 $aSoja
653 $aPenicillium herguei
653 $aTransformação genética
700 1 $aPASQUALI, G.
700 1 $aMARGIS-PINHEIRO, M.
700 1 $aBENCKE, M.
700 1 $aBÜCKER-NETO, L.
700 1 $aBECKER-RITT, A. B.
700 1 $aMARTINELLI, A. H. S.
700 1 $aRECHENMACHER, C.
700 1 $aPOLACCO, J. C.
700 1 $aSTOLF, R.
700 1 $aMARCELINO, F. C.
700 1 $aABDELNOOR, R. V.
700 1 $aHOMRICH, M. S.
700 1 $aDEL PONTE, E. M.
700 1 $aCARLINI, C. R.
700 1 $aCARVALHO, M. C. C. G. de
700 1 $aBODANESE-ZANETTINI, M. H.
773 $tPlant Molecular Biology, The Hague$gv. 79, n. 1/2, p. 75-87, May 2012.
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Embrapa Soja (CNPSO) |
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